Allow running cancel-language-server-work action w/o editor focused (#24215)

Release Notes:

- Added the ability to run the `cancel language server work` action
while a panel (like the terminal panel) is focused

crates/editor/src/editor.rs

@@ -306,6 +306,7 @@ pub fn init(cx: &mut App) {
             workspace.register_action(Editor::new_file);
             workspace.register_action(Editor::new_file_vertical);
             workspace.register_action(Editor::new_file_horizontal);
+            workspace.register_action(Editor::cancel_language_server_work);
         },
     )
     .detach();
@@ -11306,18 +11307,21 @@ impl Editor {
     }
 
     fn cancel_language_server_work(
-        &mut self,
+        workspace: &mut Workspace,
         _: &actions::CancelLanguageServerWork,
         _: &mut Window,
-        cx: &mut Context<Self>,
+        cx: &mut Context<Workspace>,
     ) {
-        if let Some(project) = self.project.clone() {
+        let project = workspace.project();
-            self.buffer.update(cx, |multi_buffer, cx| {
+        let buffers = workspace
-                project.update(cx, |project, cx| {
+            .active_item(cx)
-                    project.cancel_language_server_work_for_buffers(multi_buffer.all_buffers(), cx);
+            .and_then(|item| item.act_as::<Editor>(cx))
+            .map_or(HashSet::default(), |editor| {
+                editor.read(cx).buffer.read(cx).all_buffers()
+            });
+        project.update(cx, |project, cx| {
+            project.cancel_language_server_work_for_buffers(buffers, cx);
         });
-            })
-        }
     }
 
     fn show_character_palette(

crates/editor/src/element.rs

@@ -430,7 +430,6 @@ impl EditorElement {
             }
         });
         register_action(editor, window, Editor::restart_language_server);
-        register_action(editor, window, Editor::cancel_language_server_work);
         register_action(editor, window, Editor::show_character_palette);
         register_action(editor, window, |editor, action, window, cx| {
             if let Some(task) = editor.confirm_completion(action, window, cx) {